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Zigmanuir [339]
3 years ago
5

3 examples of density synonyms

Chemistry
1 answer:
DENIUS [597]3 years ago
3 0

frequency.

quantity.

thickness.

body.

closeness.

concretion.

heaviness.

solidity.

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Air movement can affect how quickly evaporation occurs.<br> O True<br> O False
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False, air movement as no control over how quickly it occurs
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2 years ago
12. The particles that are found in the nucleus of an atom are
Tasya [4]

Answer:

Proton and neutron

Explanation:

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Write balanced molecular equation for the reaction between nitric acid and calcium hydroxide. Express your answer as a chemical
Alisiya [41]

Answer:

2HNO3 + Ca(OH)2 ===> Ca(NO3)2 + 2H2O

Explanation:

This a neutralisation reaction. The first thing to note is that this type of reaction forms salt and water.

Note that the formula of water is H2O. So write this at the right hand side.

                                    ==> H2O

Next note that the salt should contain the acid radical (NO3) and the metallic part of the base (Ca) written well following the rule for writing chemical equation; thus

                            ==> Ca(NO3)2 + H2O

The next step is to write the reactants at the right hand side of the equation;

HNO3 + Ca(OH)2 ==> Ca(NO3)2 + H2O

The final step is to count the number of atoms in each side of the equation to make sure they are equal and balanced.

In the above equation, H atoms are three at the left hand side add 2 to to H- containig compound on both side as to balance up. Thus

2HNO3 + Ca(OH)2 ===> Ca(NO3)2 + 2H2O

The equation 2HNO3 + Ca(OH)2 ===> Ca(NO3)2 + 2H2O is balance.

4 0
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He nitrogen cycle is one of the most important (and complex!) of the biogeochemical cycles. Why is nitrogen important?
gayaneshka [121]

Nitrogen is an essential part of proteins and nucleic acids (DNA).

<h3>Why is nitrogen important?</h3>

All living things require nitrogen. It is a part of proteins, ATP, chlorophyll, DNA, and RNA. Given that it makes up a significant portion of the structures of biomolecules in living organisms, its synthesis and consumption in the biogeochemical cycle are of highest importance. Proteins are made up of amino acids (NH2 group).

The structural development of living species' genetic material (DNA, RNA) also involves nitrogen. It is a part of the nitrogenous bases, which together with other nucleotides create RNA and DNA.

Therefore, a nitrogen deficit can cause major structural issues for such an organism.

<h3>What happens if nitrogen cycle is disrupted?</h3>

A number of undesirable consequences can result from the nitrogen cycle being disrupted. For instance, an abundance of nitrogen in aquatic systems leads to eutrophication. Acid rain can be caused by a rise in atmospheric nitrogen.

The majority of ecosystems can tolerate low nitrogen levels since the majority of nitrogen is not biologically accessible in nature. Ecosystems become out of balance when humans significantly increase the quantity of nitrogen that is accessible through fertilizers, fertilizer use, and other means.

Learn more about importance of nitrogen here:

brainly.com/question/14728440

#SPJ4

7 0
2 years ago
which piece of equipment would be used to measure the volume of a liquid? a. a beaker b. a meter stick c. a graduated cylinder d
Ulleksa [173]
It is a graduated cylinder.
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